1 /*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_compat.h" 31 #include "opt_inet.h" 32 #include "opt_inet6.h" 33 34 #include <sys/param.h> 35 #include <sys/bus.h> 36 #include <sys/clock.h> 37 #include <sys/exec.h> 38 #include <sys/fcntl.h> 39 #include <sys/filedesc.h> 40 #include <sys/imgact.h> 41 #include <sys/jail.h> 42 #include <sys/kernel.h> 43 #include <sys/limits.h> 44 #include <sys/lock.h> 45 #include <sys/malloc.h> 46 #include <sys/file.h> /* Must come after sys/malloc.h */ 47 #include <sys/mbuf.h> 48 #include <sys/mman.h> 49 #include <sys/module.h> 50 #include <sys/mount.h> 51 #include <sys/mutex.h> 52 #include <sys/namei.h> 53 #include <sys/proc.h> 54 #include <sys/reboot.h> 55 #include <sys/resource.h> 56 #include <sys/resourcevar.h> 57 #include <sys/selinfo.h> 58 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 59 #include <sys/pipe.h> /* Must come after sys/selinfo.h */ 60 #include <sys/signal.h> 61 #include <sys/signalvar.h> 62 #include <sys/socket.h> 63 #include <sys/socketvar.h> 64 #include <sys/stat.h> 65 #include <sys/syscall.h> 66 #include <sys/syscallsubr.h> 67 #include <sys/sysctl.h> 68 #include <sys/sysent.h> 69 #include <sys/sysproto.h> 70 #include <sys/systm.h> 71 #include <sys/thr.h> 72 #include <sys/unistd.h> 73 #include <sys/ucontext.h> 74 #include <sys/vnode.h> 75 #include <sys/wait.h> 76 #include <sys/ipc.h> 77 #include <sys/msg.h> 78 #include <sys/sem.h> 79 #include <sys/shm.h> 80 81 #ifdef INET 82 #include <netinet/in.h> 83 #endif 84 85 #include <vm/vm.h> 86 #include <vm/vm_kern.h> 87 #include <vm/vm_param.h> 88 #include <vm/pmap.h> 89 #include <vm/vm_map.h> 90 #include <vm/vm_object.h> 91 #include <vm/vm_extern.h> 92 93 #include <machine/cpu.h> 94 95 #include <security/audit/audit.h> 96 97 #include <compat/freebsd32/freebsd32_util.h> 98 #include <compat/freebsd32/freebsd32.h> 99 #include <compat/freebsd32/freebsd32_ipc.h> 100 #include <compat/freebsd32/freebsd32_signal.h> 101 #include <compat/freebsd32/freebsd32_proto.h> 102 103 CTASSERT(sizeof(struct timeval32) == 8); 104 CTASSERT(sizeof(struct timespec32) == 8); 105 CTASSERT(sizeof(struct itimerval32) == 16); 106 CTASSERT(sizeof(struct statfs32) == 256); 107 CTASSERT(sizeof(struct rusage32) == 72); 108 CTASSERT(sizeof(struct sigaltstack32) == 12); 109 CTASSERT(sizeof(struct kevent32) == 20); 110 CTASSERT(sizeof(struct iovec32) == 8); 111 CTASSERT(sizeof(struct msghdr32) == 28); 112 CTASSERT(sizeof(struct stat32) == 96); 113 CTASSERT(sizeof(struct sigaction32) == 24); 114 115 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 116 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 117 118 int 119 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 120 { 121 int error, status; 122 struct rusage32 ru32; 123 struct rusage ru, *rup; 124 125 if (uap->rusage != NULL) 126 rup = &ru; 127 else 128 rup = NULL; 129 error = kern_wait(td, uap->pid, &status, uap->options, rup); 130 if (error) 131 return (error); 132 if (uap->status != NULL) 133 error = copyout(&status, uap->status, sizeof(status)); 134 if (uap->rusage != NULL && error == 0) { 135 TV_CP(ru, ru32, ru_utime); 136 TV_CP(ru, ru32, ru_stime); 137 CP(ru, ru32, ru_maxrss); 138 CP(ru, ru32, ru_ixrss); 139 CP(ru, ru32, ru_idrss); 140 CP(ru, ru32, ru_isrss); 141 CP(ru, ru32, ru_minflt); 142 CP(ru, ru32, ru_majflt); 143 CP(ru, ru32, ru_nswap); 144 CP(ru, ru32, ru_inblock); 145 CP(ru, ru32, ru_oublock); 146 CP(ru, ru32, ru_msgsnd); 147 CP(ru, ru32, ru_msgrcv); 148 CP(ru, ru32, ru_nsignals); 149 CP(ru, ru32, ru_nvcsw); 150 CP(ru, ru32, ru_nivcsw); 151 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 152 } 153 return (error); 154 } 155 156 #ifdef COMPAT_FREEBSD4 157 static void 158 copy_statfs(struct statfs *in, struct statfs32 *out) 159 { 160 161 statfs_scale_blocks(in, INT32_MAX); 162 bzero(out, sizeof(*out)); 163 CP(*in, *out, f_bsize); 164 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 165 CP(*in, *out, f_blocks); 166 CP(*in, *out, f_bfree); 167 CP(*in, *out, f_bavail); 168 out->f_files = MIN(in->f_files, INT32_MAX); 169 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 170 CP(*in, *out, f_fsid); 171 CP(*in, *out, f_owner); 172 CP(*in, *out, f_type); 173 CP(*in, *out, f_flags); 174 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 175 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 176 strlcpy(out->f_fstypename, 177 in->f_fstypename, MFSNAMELEN); 178 strlcpy(out->f_mntonname, 179 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 180 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 181 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 182 strlcpy(out->f_mntfromname, 183 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 184 } 185 #endif 186 187 #ifdef COMPAT_FREEBSD4 188 int 189 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 190 { 191 struct statfs *buf, *sp; 192 struct statfs32 stat32; 193 size_t count, size; 194 int error; 195 196 count = uap->bufsize / sizeof(struct statfs32); 197 size = count * sizeof(struct statfs); 198 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 199 if (size > 0) { 200 count = td->td_retval[0]; 201 sp = buf; 202 while (count > 0 && error == 0) { 203 copy_statfs(sp, &stat32); 204 error = copyout(&stat32, uap->buf, sizeof(stat32)); 205 sp++; 206 uap->buf++; 207 count--; 208 } 209 free(buf, M_TEMP); 210 } 211 return (error); 212 } 213 #endif 214 215 int 216 freebsd32_sigaltstack(struct thread *td, 217 struct freebsd32_sigaltstack_args *uap) 218 { 219 struct sigaltstack32 s32; 220 struct sigaltstack ss, oss, *ssp; 221 int error; 222 223 if (uap->ss != NULL) { 224 error = copyin(uap->ss, &s32, sizeof(s32)); 225 if (error) 226 return (error); 227 PTRIN_CP(s32, ss, ss_sp); 228 CP(s32, ss, ss_size); 229 CP(s32, ss, ss_flags); 230 ssp = &ss; 231 } else 232 ssp = NULL; 233 error = kern_sigaltstack(td, ssp, &oss); 234 if (error == 0 && uap->oss != NULL) { 235 PTROUT_CP(oss, s32, ss_sp); 236 CP(oss, s32, ss_size); 237 CP(oss, s32, ss_flags); 238 error = copyout(&s32, uap->oss, sizeof(s32)); 239 } 240 return (error); 241 } 242 243 /* 244 * Custom version of exec_copyin_args() so that we can translate 245 * the pointers. 246 */ 247 static int 248 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 249 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 250 { 251 char *argp, *envp; 252 u_int32_t *p32, arg; 253 size_t length; 254 int error; 255 256 bzero(args, sizeof(*args)); 257 if (argv == NULL) 258 return (EFAULT); 259 260 /* 261 * Allocate temporary demand zeroed space for argument and 262 * environment strings 263 */ 264 args->buf = (char *) kmem_alloc_wait(exec_map, 265 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 266 if (args->buf == NULL) 267 return (ENOMEM); 268 args->begin_argv = args->buf; 269 args->endp = args->begin_argv; 270 args->stringspace = ARG_MAX; 271 272 /* 273 * Copy the file name. 274 */ 275 if (fname != NULL) { 276 args->fname = args->buf + ARG_MAX; 277 error = (segflg == UIO_SYSSPACE) ? 278 copystr(fname, args->fname, PATH_MAX, &length) : 279 copyinstr(fname, args->fname, PATH_MAX, &length); 280 if (error != 0) 281 goto err_exit; 282 } else 283 args->fname = NULL; 284 285 /* 286 * extract arguments first 287 */ 288 p32 = argv; 289 for (;;) { 290 error = copyin(p32++, &arg, sizeof(arg)); 291 if (error) 292 goto err_exit; 293 if (arg == 0) 294 break; 295 argp = PTRIN(arg); 296 error = copyinstr(argp, args->endp, args->stringspace, &length); 297 if (error) { 298 if (error == ENAMETOOLONG) 299 error = E2BIG; 300 goto err_exit; 301 } 302 args->stringspace -= length; 303 args->endp += length; 304 args->argc++; 305 } 306 307 args->begin_envv = args->endp; 308 309 /* 310 * extract environment strings 311 */ 312 if (envv) { 313 p32 = envv; 314 for (;;) { 315 error = copyin(p32++, &arg, sizeof(arg)); 316 if (error) 317 goto err_exit; 318 if (arg == 0) 319 break; 320 envp = PTRIN(arg); 321 error = copyinstr(envp, args->endp, args->stringspace, 322 &length); 323 if (error) { 324 if (error == ENAMETOOLONG) 325 error = E2BIG; 326 goto err_exit; 327 } 328 args->stringspace -= length; 329 args->endp += length; 330 args->envc++; 331 } 332 } 333 334 return (0); 335 336 err_exit: 337 kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 338 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 339 args->buf = NULL; 340 return (error); 341 } 342 343 int 344 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 345 { 346 struct image_args eargs; 347 int error; 348 349 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 350 uap->argv, uap->envv); 351 if (error == 0) 352 error = kern_execve(td, &eargs, NULL); 353 return (error); 354 } 355 356 int 357 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 358 { 359 struct image_args eargs; 360 int error; 361 362 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 363 uap->argv, uap->envv); 364 if (error == 0) { 365 eargs.fd = uap->fd; 366 error = kern_execve(td, &eargs, NULL); 367 } 368 return (error); 369 } 370 371 #ifdef __ia64__ 372 static int 373 freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 374 int prot, int fd, off_t pos) 375 { 376 vm_map_t map; 377 vm_map_entry_t entry; 378 int rv; 379 380 map = &td->td_proc->p_vmspace->vm_map; 381 if (fd != -1) 382 prot |= VM_PROT_WRITE; 383 384 if (vm_map_lookup_entry(map, start, &entry)) { 385 if ((entry->protection & prot) != prot) { 386 rv = vm_map_protect(map, 387 trunc_page(start), 388 round_page(end), 389 entry->protection | prot, 390 FALSE); 391 if (rv != KERN_SUCCESS) 392 return (EINVAL); 393 } 394 } else { 395 vm_offset_t addr = trunc_page(start); 396 rv = vm_map_find(map, 0, 0, 397 &addr, PAGE_SIZE, FALSE, prot, 398 VM_PROT_ALL, 0); 399 if (rv != KERN_SUCCESS) 400 return (EINVAL); 401 } 402 403 if (fd != -1) { 404 struct pread_args r; 405 r.fd = fd; 406 r.buf = (void *) start; 407 r.nbyte = end - start; 408 r.offset = pos; 409 return (pread(td, &r)); 410 } else { 411 while (start < end) { 412 subyte((void *) start, 0); 413 start++; 414 } 415 return (0); 416 } 417 } 418 #endif 419 420 int 421 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 422 { 423 struct mmap_args ap; 424 vm_offset_t addr = (vm_offset_t) uap->addr; 425 vm_size_t len = uap->len; 426 int prot = uap->prot; 427 int flags = uap->flags; 428 int fd = uap->fd; 429 off_t pos = (uap->poslo 430 | ((off_t)uap->poshi << 32)); 431 #ifdef __ia64__ 432 vm_size_t pageoff; 433 int error; 434 435 /* 436 * Attempt to handle page size hassles. 437 */ 438 pageoff = (pos & PAGE_MASK); 439 if (flags & MAP_FIXED) { 440 vm_offset_t start, end; 441 start = addr; 442 end = addr + len; 443 444 if (start != trunc_page(start)) { 445 error = freebsd32_mmap_partial(td, start, 446 round_page(start), prot, 447 fd, pos); 448 if (fd != -1) 449 pos += round_page(start) - start; 450 start = round_page(start); 451 } 452 if (end != round_page(end)) { 453 vm_offset_t t = trunc_page(end); 454 error = freebsd32_mmap_partial(td, t, end, 455 prot, fd, 456 pos + t - start); 457 end = trunc_page(end); 458 } 459 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 460 /* 461 * We can't map this region at all. The specified 462 * address doesn't have the same alignment as the file 463 * position. Fake the mapping by simply reading the 464 * entire region into memory. First we need to make 465 * sure the region exists. 466 */ 467 vm_map_t map; 468 struct pread_args r; 469 int rv; 470 471 prot |= VM_PROT_WRITE; 472 map = &td->td_proc->p_vmspace->vm_map; 473 rv = vm_map_remove(map, start, end); 474 if (rv != KERN_SUCCESS) 475 return (EINVAL); 476 rv = vm_map_find(map, 0, 0, 477 &start, end - start, FALSE, 478 prot, VM_PROT_ALL, 0); 479 if (rv != KERN_SUCCESS) 480 return (EINVAL); 481 r.fd = fd; 482 r.buf = (void *) start; 483 r.nbyte = end - start; 484 r.offset = pos; 485 error = pread(td, &r); 486 if (error) 487 return (error); 488 489 td->td_retval[0] = addr; 490 return (0); 491 } 492 if (end == start) { 493 /* 494 * After dealing with the ragged ends, there 495 * might be none left. 496 */ 497 td->td_retval[0] = addr; 498 return (0); 499 } 500 addr = start; 501 len = end - start; 502 } 503 #endif 504 505 ap.addr = (void *) addr; 506 ap.len = len; 507 ap.prot = prot; 508 ap.flags = flags; 509 ap.fd = fd; 510 ap.pos = pos; 511 512 return (mmap(td, &ap)); 513 } 514 515 #ifdef COMPAT_FREEBSD6 516 int 517 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 518 { 519 struct freebsd32_mmap_args ap; 520 521 ap.addr = uap->addr; 522 ap.len = uap->len; 523 ap.prot = uap->prot; 524 ap.flags = uap->flags; 525 ap.fd = uap->fd; 526 ap.poslo = uap->poslo; 527 ap.poshi = uap->poshi; 528 529 return (freebsd32_mmap(td, &ap)); 530 } 531 #endif 532 533 int 534 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 535 { 536 struct itimerval itv, oitv, *itvp; 537 struct itimerval32 i32; 538 int error; 539 540 if (uap->itv != NULL) { 541 error = copyin(uap->itv, &i32, sizeof(i32)); 542 if (error) 543 return (error); 544 TV_CP(i32, itv, it_interval); 545 TV_CP(i32, itv, it_value); 546 itvp = &itv; 547 } else 548 itvp = NULL; 549 error = kern_setitimer(td, uap->which, itvp, &oitv); 550 if (error || uap->oitv == NULL) 551 return (error); 552 TV_CP(oitv, i32, it_interval); 553 TV_CP(oitv, i32, it_value); 554 return (copyout(&i32, uap->oitv, sizeof(i32))); 555 } 556 557 int 558 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 559 { 560 struct itimerval itv; 561 struct itimerval32 i32; 562 int error; 563 564 error = kern_getitimer(td, uap->which, &itv); 565 if (error || uap->itv == NULL) 566 return (error); 567 TV_CP(itv, i32, it_interval); 568 TV_CP(itv, i32, it_value); 569 return (copyout(&i32, uap->itv, sizeof(i32))); 570 } 571 572 int 573 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 574 { 575 struct timeval32 tv32; 576 struct timeval tv, *tvp; 577 int error; 578 579 if (uap->tv != NULL) { 580 error = copyin(uap->tv, &tv32, sizeof(tv32)); 581 if (error) 582 return (error); 583 CP(tv32, tv, tv_sec); 584 CP(tv32, tv, tv_usec); 585 tvp = &tv; 586 } else 587 tvp = NULL; 588 /* 589 * XXX big-endian needs to convert the fd_sets too. 590 * XXX Do pointers need PTRIN()? 591 */ 592 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 593 sizeof(int32_t) * 8)); 594 } 595 596 int 597 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 598 { 599 struct timespec32 ts32; 600 struct timespec ts; 601 struct timeval tv, *tvp; 602 sigset_t set, *uset; 603 int error; 604 605 if (uap->ts != NULL) { 606 error = copyin(uap->ts, &ts32, sizeof(ts32)); 607 if (error != 0) 608 return (error); 609 CP(ts32, ts, tv_sec); 610 CP(ts32, ts, tv_nsec); 611 TIMESPEC_TO_TIMEVAL(&tv, &ts); 612 tvp = &tv; 613 } else 614 tvp = NULL; 615 if (uap->sm != NULL) { 616 error = copyin(uap->sm, &set, sizeof(set)); 617 if (error != 0) 618 return (error); 619 uset = &set; 620 } else 621 uset = NULL; 622 /* 623 * XXX big-endian needs to convert the fd_sets too. 624 * XXX Do pointers need PTRIN()? 625 */ 626 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 627 uset, sizeof(int32_t) * 8); 628 return (error); 629 } 630 631 /* 632 * Copy 'count' items into the destination list pointed to by uap->eventlist. 633 */ 634 static int 635 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 636 { 637 struct freebsd32_kevent_args *uap; 638 struct kevent32 ks32[KQ_NEVENTS]; 639 int i, error = 0; 640 641 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 642 uap = (struct freebsd32_kevent_args *)arg; 643 644 for (i = 0; i < count; i++) { 645 CP(kevp[i], ks32[i], ident); 646 CP(kevp[i], ks32[i], filter); 647 CP(kevp[i], ks32[i], flags); 648 CP(kevp[i], ks32[i], fflags); 649 CP(kevp[i], ks32[i], data); 650 PTROUT_CP(kevp[i], ks32[i], udata); 651 } 652 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 653 if (error == 0) 654 uap->eventlist += count; 655 return (error); 656 } 657 658 /* 659 * Copy 'count' items from the list pointed to by uap->changelist. 660 */ 661 static int 662 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 663 { 664 struct freebsd32_kevent_args *uap; 665 struct kevent32 ks32[KQ_NEVENTS]; 666 int i, error = 0; 667 668 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 669 uap = (struct freebsd32_kevent_args *)arg; 670 671 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 672 if (error) 673 goto done; 674 uap->changelist += count; 675 676 for (i = 0; i < count; i++) { 677 CP(ks32[i], kevp[i], ident); 678 CP(ks32[i], kevp[i], filter); 679 CP(ks32[i], kevp[i], flags); 680 CP(ks32[i], kevp[i], fflags); 681 CP(ks32[i], kevp[i], data); 682 PTRIN_CP(ks32[i], kevp[i], udata); 683 } 684 done: 685 return (error); 686 } 687 688 int 689 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 690 { 691 struct timespec32 ts32; 692 struct timespec ts, *tsp; 693 struct kevent_copyops k_ops = { uap, 694 freebsd32_kevent_copyout, 695 freebsd32_kevent_copyin}; 696 int error; 697 698 699 if (uap->timeout) { 700 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 701 if (error) 702 return (error); 703 CP(ts32, ts, tv_sec); 704 CP(ts32, ts, tv_nsec); 705 tsp = &ts; 706 } else 707 tsp = NULL; 708 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 709 &k_ops, tsp); 710 return (error); 711 } 712 713 int 714 freebsd32_gettimeofday(struct thread *td, 715 struct freebsd32_gettimeofday_args *uap) 716 { 717 struct timeval atv; 718 struct timeval32 atv32; 719 struct timezone rtz; 720 int error = 0; 721 722 if (uap->tp) { 723 microtime(&atv); 724 CP(atv, atv32, tv_sec); 725 CP(atv, atv32, tv_usec); 726 error = copyout(&atv32, uap->tp, sizeof (atv32)); 727 } 728 if (error == 0 && uap->tzp != NULL) { 729 rtz.tz_minuteswest = tz_minuteswest; 730 rtz.tz_dsttime = tz_dsttime; 731 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 732 } 733 return (error); 734 } 735 736 int 737 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 738 { 739 struct rusage32 s32; 740 struct rusage s; 741 int error; 742 743 error = kern_getrusage(td, uap->who, &s); 744 if (error) 745 return (error); 746 if (uap->rusage != NULL) { 747 TV_CP(s, s32, ru_utime); 748 TV_CP(s, s32, ru_stime); 749 CP(s, s32, ru_maxrss); 750 CP(s, s32, ru_ixrss); 751 CP(s, s32, ru_idrss); 752 CP(s, s32, ru_isrss); 753 CP(s, s32, ru_minflt); 754 CP(s, s32, ru_majflt); 755 CP(s, s32, ru_nswap); 756 CP(s, s32, ru_inblock); 757 CP(s, s32, ru_oublock); 758 CP(s, s32, ru_msgsnd); 759 CP(s, s32, ru_msgrcv); 760 CP(s, s32, ru_nsignals); 761 CP(s, s32, ru_nvcsw); 762 CP(s, s32, ru_nivcsw); 763 error = copyout(&s32, uap->rusage, sizeof(s32)); 764 } 765 return (error); 766 } 767 768 static int 769 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 770 { 771 struct iovec32 iov32; 772 struct iovec *iov; 773 struct uio *uio; 774 u_int iovlen; 775 int error, i; 776 777 *uiop = NULL; 778 if (iovcnt > UIO_MAXIOV) 779 return (EINVAL); 780 iovlen = iovcnt * sizeof(struct iovec); 781 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 782 iov = (struct iovec *)(uio + 1); 783 for (i = 0; i < iovcnt; i++) { 784 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 785 if (error) { 786 free(uio, M_IOV); 787 return (error); 788 } 789 iov[i].iov_base = PTRIN(iov32.iov_base); 790 iov[i].iov_len = iov32.iov_len; 791 } 792 uio->uio_iov = iov; 793 uio->uio_iovcnt = iovcnt; 794 uio->uio_segflg = UIO_USERSPACE; 795 uio->uio_offset = -1; 796 uio->uio_resid = 0; 797 for (i = 0; i < iovcnt; i++) { 798 if (iov->iov_len > INT_MAX - uio->uio_resid) { 799 free(uio, M_IOV); 800 return (EINVAL); 801 } 802 uio->uio_resid += iov->iov_len; 803 iov++; 804 } 805 *uiop = uio; 806 return (0); 807 } 808 809 int 810 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 811 { 812 struct uio *auio; 813 int error; 814 815 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 816 if (error) 817 return (error); 818 error = kern_readv(td, uap->fd, auio); 819 free(auio, M_IOV); 820 return (error); 821 } 822 823 int 824 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 825 { 826 struct uio *auio; 827 int error; 828 829 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 830 if (error) 831 return (error); 832 error = kern_writev(td, uap->fd, auio); 833 free(auio, M_IOV); 834 return (error); 835 } 836 837 int 838 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 839 { 840 struct uio *auio; 841 int error; 842 843 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 844 if (error) 845 return (error); 846 error = kern_preadv(td, uap->fd, auio, uap->offset); 847 free(auio, M_IOV); 848 return (error); 849 } 850 851 int 852 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 853 { 854 struct uio *auio; 855 int error; 856 857 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 858 if (error) 859 return (error); 860 error = kern_pwritev(td, uap->fd, auio, uap->offset); 861 free(auio, M_IOV); 862 return (error); 863 } 864 865 static int 866 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 867 int error) 868 { 869 struct iovec32 iov32; 870 struct iovec *iov; 871 u_int iovlen; 872 int i; 873 874 *iovp = NULL; 875 if (iovcnt > UIO_MAXIOV) 876 return (error); 877 iovlen = iovcnt * sizeof(struct iovec); 878 iov = malloc(iovlen, M_IOV, M_WAITOK); 879 for (i = 0; i < iovcnt; i++) { 880 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 881 if (error) { 882 free(iov, M_IOV); 883 return (error); 884 } 885 iov[i].iov_base = PTRIN(iov32.iov_base); 886 iov[i].iov_len = iov32.iov_len; 887 } 888 *iovp = iov; 889 return (0); 890 } 891 892 static int 893 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 894 { 895 struct msghdr32 m32; 896 int error; 897 898 error = copyin(msg32, &m32, sizeof(m32)); 899 if (error) 900 return (error); 901 msg->msg_name = PTRIN(m32.msg_name); 902 msg->msg_namelen = m32.msg_namelen; 903 msg->msg_iov = PTRIN(m32.msg_iov); 904 msg->msg_iovlen = m32.msg_iovlen; 905 msg->msg_control = PTRIN(m32.msg_control); 906 msg->msg_controllen = m32.msg_controllen; 907 msg->msg_flags = m32.msg_flags; 908 return (0); 909 } 910 911 static int 912 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 913 { 914 struct msghdr32 m32; 915 int error; 916 917 m32.msg_name = PTROUT(msg->msg_name); 918 m32.msg_namelen = msg->msg_namelen; 919 m32.msg_iov = PTROUT(msg->msg_iov); 920 m32.msg_iovlen = msg->msg_iovlen; 921 m32.msg_control = PTROUT(msg->msg_control); 922 m32.msg_controllen = msg->msg_controllen; 923 m32.msg_flags = msg->msg_flags; 924 error = copyout(&m32, msg32, sizeof(m32)); 925 return (error); 926 } 927 928 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 929 #define FREEBSD32_ALIGN(p) \ 930 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 931 #define FREEBSD32_CMSG_SPACE(l) \ 932 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 933 934 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 935 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 936 static int 937 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 938 { 939 struct cmsghdr *cm; 940 void *data; 941 socklen_t clen, datalen; 942 int error; 943 caddr_t ctlbuf; 944 int len, maxlen, copylen; 945 struct mbuf *m; 946 error = 0; 947 948 len = msg->msg_controllen; 949 maxlen = msg->msg_controllen; 950 msg->msg_controllen = 0; 951 952 m = control; 953 ctlbuf = msg->msg_control; 954 955 while (m && len > 0) { 956 cm = mtod(m, struct cmsghdr *); 957 clen = m->m_len; 958 959 while (cm != NULL) { 960 961 if (sizeof(struct cmsghdr) > clen || 962 cm->cmsg_len > clen) { 963 error = EINVAL; 964 break; 965 } 966 967 data = CMSG_DATA(cm); 968 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 969 970 /* Adjust message length */ 971 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 972 datalen; 973 974 975 /* Copy cmsghdr */ 976 copylen = sizeof(struct cmsghdr); 977 if (len < copylen) { 978 msg->msg_flags |= MSG_CTRUNC; 979 copylen = len; 980 } 981 982 error = copyout(cm,ctlbuf,copylen); 983 if (error) 984 goto exit; 985 986 ctlbuf += FREEBSD32_ALIGN(copylen); 987 len -= FREEBSD32_ALIGN(copylen); 988 989 if (len <= 0) 990 break; 991 992 /* Copy data */ 993 copylen = datalen; 994 if (len < copylen) { 995 msg->msg_flags |= MSG_CTRUNC; 996 copylen = len; 997 } 998 999 error = copyout(data,ctlbuf,copylen); 1000 if (error) 1001 goto exit; 1002 1003 ctlbuf += FREEBSD32_ALIGN(copylen); 1004 len -= FREEBSD32_ALIGN(copylen); 1005 1006 if (CMSG_SPACE(datalen) < clen) { 1007 clen -= CMSG_SPACE(datalen); 1008 cm = (struct cmsghdr *) 1009 ((caddr_t)cm + CMSG_SPACE(datalen)); 1010 } else { 1011 clen = 0; 1012 cm = NULL; 1013 } 1014 } 1015 m = m->m_next; 1016 } 1017 1018 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1019 1020 exit: 1021 return (error); 1022 1023 } 1024 1025 int 1026 freebsd32_recvmsg(td, uap) 1027 struct thread *td; 1028 struct freebsd32_recvmsg_args /* { 1029 int s; 1030 struct msghdr32 *msg; 1031 int flags; 1032 } */ *uap; 1033 { 1034 struct msghdr msg; 1035 struct msghdr32 m32; 1036 struct iovec *uiov, *iov; 1037 struct mbuf *control = NULL; 1038 struct mbuf **controlp; 1039 1040 int error; 1041 error = copyin(uap->msg, &m32, sizeof(m32)); 1042 if (error) 1043 return (error); 1044 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1045 if (error) 1046 return (error); 1047 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1048 EMSGSIZE); 1049 if (error) 1050 return (error); 1051 msg.msg_flags = uap->flags; 1052 uiov = msg.msg_iov; 1053 msg.msg_iov = iov; 1054 1055 controlp = (msg.msg_control != NULL) ? &control : NULL; 1056 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1057 if (error == 0) { 1058 msg.msg_iov = uiov; 1059 1060 if (control != NULL) 1061 error = freebsd32_copy_msg_out(&msg, control); 1062 1063 if (error == 0) 1064 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1065 } 1066 free(iov, M_IOV); 1067 1068 if (control != NULL) 1069 m_freem(control); 1070 1071 return (error); 1072 } 1073 1074 1075 static int 1076 freebsd32_convert_msg_in(struct mbuf **controlp) 1077 { 1078 struct mbuf *control = *controlp; 1079 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1080 void *data; 1081 socklen_t clen = control->m_len, datalen; 1082 int error; 1083 1084 error = 0; 1085 *controlp = NULL; 1086 1087 while (cm != NULL) { 1088 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1089 error = EINVAL; 1090 break; 1091 } 1092 1093 data = FREEBSD32_CMSG_DATA(cm); 1094 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1095 1096 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1097 cm->cmsg_level); 1098 controlp = &(*controlp)->m_next; 1099 1100 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1101 clen -= FREEBSD32_CMSG_SPACE(datalen); 1102 cm = (struct cmsghdr *) 1103 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1104 } else { 1105 clen = 0; 1106 cm = NULL; 1107 } 1108 } 1109 1110 m_freem(control); 1111 return (error); 1112 } 1113 1114 1115 int 1116 freebsd32_sendmsg(struct thread *td, 1117 struct freebsd32_sendmsg_args *uap) 1118 { 1119 struct msghdr msg; 1120 struct msghdr32 m32; 1121 struct iovec *iov; 1122 struct mbuf *control = NULL; 1123 struct sockaddr *to = NULL; 1124 int error; 1125 1126 error = copyin(uap->msg, &m32, sizeof(m32)); 1127 if (error) 1128 return (error); 1129 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1130 if (error) 1131 return (error); 1132 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1133 EMSGSIZE); 1134 if (error) 1135 return (error); 1136 msg.msg_iov = iov; 1137 if (msg.msg_name != NULL) { 1138 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1139 if (error) { 1140 to = NULL; 1141 goto out; 1142 } 1143 msg.msg_name = to; 1144 } 1145 1146 if (msg.msg_control) { 1147 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1148 error = EINVAL; 1149 goto out; 1150 } 1151 1152 error = sockargs(&control, msg.msg_control, 1153 msg.msg_controllen, MT_CONTROL); 1154 if (error) 1155 goto out; 1156 1157 error = freebsd32_convert_msg_in(&control); 1158 if (error) 1159 goto out; 1160 } 1161 1162 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1163 UIO_USERSPACE); 1164 1165 out: 1166 free(iov, M_IOV); 1167 if (to) 1168 free(to, M_SONAME); 1169 return (error); 1170 } 1171 1172 int 1173 freebsd32_recvfrom(struct thread *td, 1174 struct freebsd32_recvfrom_args *uap) 1175 { 1176 struct msghdr msg; 1177 struct iovec aiov; 1178 int error; 1179 1180 if (uap->fromlenaddr) { 1181 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1182 sizeof(msg.msg_namelen)); 1183 if (error) 1184 return (error); 1185 } else { 1186 msg.msg_namelen = 0; 1187 } 1188 1189 msg.msg_name = PTRIN(uap->from); 1190 msg.msg_iov = &aiov; 1191 msg.msg_iovlen = 1; 1192 aiov.iov_base = PTRIN(uap->buf); 1193 aiov.iov_len = uap->len; 1194 msg.msg_control = NULL; 1195 msg.msg_flags = uap->flags; 1196 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1197 if (error == 0 && uap->fromlenaddr) 1198 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1199 sizeof (msg.msg_namelen)); 1200 return (error); 1201 } 1202 1203 int 1204 freebsd32_settimeofday(struct thread *td, 1205 struct freebsd32_settimeofday_args *uap) 1206 { 1207 struct timeval32 tv32; 1208 struct timeval tv, *tvp; 1209 struct timezone tz, *tzp; 1210 int error; 1211 1212 if (uap->tv) { 1213 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1214 if (error) 1215 return (error); 1216 CP(tv32, tv, tv_sec); 1217 CP(tv32, tv, tv_usec); 1218 tvp = &tv; 1219 } else 1220 tvp = NULL; 1221 if (uap->tzp) { 1222 error = copyin(uap->tzp, &tz, sizeof(tz)); 1223 if (error) 1224 return (error); 1225 tzp = &tz; 1226 } else 1227 tzp = NULL; 1228 return (kern_settimeofday(td, tvp, tzp)); 1229 } 1230 1231 int 1232 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1233 { 1234 struct timeval32 s32[2]; 1235 struct timeval s[2], *sp; 1236 int error; 1237 1238 if (uap->tptr != NULL) { 1239 error = copyin(uap->tptr, s32, sizeof(s32)); 1240 if (error) 1241 return (error); 1242 CP(s32[0], s[0], tv_sec); 1243 CP(s32[0], s[0], tv_usec); 1244 CP(s32[1], s[1], tv_sec); 1245 CP(s32[1], s[1], tv_usec); 1246 sp = s; 1247 } else 1248 sp = NULL; 1249 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1250 } 1251 1252 int 1253 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1254 { 1255 struct timeval32 s32[2]; 1256 struct timeval s[2], *sp; 1257 int error; 1258 1259 if (uap->tptr != NULL) { 1260 error = copyin(uap->tptr, s32, sizeof(s32)); 1261 if (error) 1262 return (error); 1263 CP(s32[0], s[0], tv_sec); 1264 CP(s32[0], s[0], tv_usec); 1265 CP(s32[1], s[1], tv_sec); 1266 CP(s32[1], s[1], tv_usec); 1267 sp = s; 1268 } else 1269 sp = NULL; 1270 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1271 } 1272 1273 int 1274 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1275 { 1276 struct timeval32 s32[2]; 1277 struct timeval s[2], *sp; 1278 int error; 1279 1280 if (uap->tptr != NULL) { 1281 error = copyin(uap->tptr, s32, sizeof(s32)); 1282 if (error) 1283 return (error); 1284 CP(s32[0], s[0], tv_sec); 1285 CP(s32[0], s[0], tv_usec); 1286 CP(s32[1], s[1], tv_sec); 1287 CP(s32[1], s[1], tv_usec); 1288 sp = s; 1289 } else 1290 sp = NULL; 1291 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1292 } 1293 1294 int 1295 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1296 { 1297 struct timeval32 s32[2]; 1298 struct timeval s[2], *sp; 1299 int error; 1300 1301 if (uap->times != NULL) { 1302 error = copyin(uap->times, s32, sizeof(s32)); 1303 if (error) 1304 return (error); 1305 CP(s32[0], s[0], tv_sec); 1306 CP(s32[0], s[0], tv_usec); 1307 CP(s32[1], s[1], tv_sec); 1308 CP(s32[1], s[1], tv_usec); 1309 sp = s; 1310 } else 1311 sp = NULL; 1312 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1313 sp, UIO_SYSSPACE)); 1314 } 1315 1316 int 1317 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1318 { 1319 struct timeval32 tv32; 1320 struct timeval delta, olddelta, *deltap; 1321 int error; 1322 1323 if (uap->delta) { 1324 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1325 if (error) 1326 return (error); 1327 CP(tv32, delta, tv_sec); 1328 CP(tv32, delta, tv_usec); 1329 deltap = δ 1330 } else 1331 deltap = NULL; 1332 error = kern_adjtime(td, deltap, &olddelta); 1333 if (uap->olddelta && error == 0) { 1334 CP(olddelta, tv32, tv_sec); 1335 CP(olddelta, tv32, tv_usec); 1336 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1337 } 1338 return (error); 1339 } 1340 1341 #ifdef COMPAT_FREEBSD4 1342 int 1343 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1344 { 1345 struct statfs32 s32; 1346 struct statfs s; 1347 int error; 1348 1349 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1350 if (error) 1351 return (error); 1352 copy_statfs(&s, &s32); 1353 return (copyout(&s32, uap->buf, sizeof(s32))); 1354 } 1355 #endif 1356 1357 #ifdef COMPAT_FREEBSD4 1358 int 1359 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1360 { 1361 struct statfs32 s32; 1362 struct statfs s; 1363 int error; 1364 1365 error = kern_fstatfs(td, uap->fd, &s); 1366 if (error) 1367 return (error); 1368 copy_statfs(&s, &s32); 1369 return (copyout(&s32, uap->buf, sizeof(s32))); 1370 } 1371 #endif 1372 1373 #ifdef COMPAT_FREEBSD4 1374 int 1375 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1376 { 1377 struct statfs32 s32; 1378 struct statfs s; 1379 fhandle_t fh; 1380 int error; 1381 1382 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1383 return (error); 1384 error = kern_fhstatfs(td, fh, &s); 1385 if (error) 1386 return (error); 1387 copy_statfs(&s, &s32); 1388 return (copyout(&s32, uap->buf, sizeof(s32))); 1389 } 1390 #endif 1391 1392 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1393 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1394 static void 1395 freebsd32_ipcperm_old_in(struct ipc_perm32_old *ip32, struct ipc_perm *ip) 1396 { 1397 1398 CP(*ip32, *ip, cuid); 1399 CP(*ip32, *ip, cgid); 1400 CP(*ip32, *ip, uid); 1401 CP(*ip32, *ip, gid); 1402 CP(*ip32, *ip, mode); 1403 CP(*ip32, *ip, seq); 1404 CP(*ip32, *ip, key); 1405 } 1406 1407 static void 1408 freebsd32_ipcperm_old_out(struct ipc_perm *ip, struct ipc_perm32_old *ip32) 1409 { 1410 1411 CP(*ip, *ip32, cuid); 1412 CP(*ip, *ip32, cgid); 1413 CP(*ip, *ip32, uid); 1414 CP(*ip, *ip32, gid); 1415 CP(*ip, *ip32, mode); 1416 CP(*ip, *ip32, seq); 1417 CP(*ip, *ip32, key); 1418 } 1419 #endif 1420 1421 static void 1422 freebsd32_ipcperm_in(struct ipc_perm32 *ip32, struct ipc_perm *ip) 1423 { 1424 1425 CP(*ip32, *ip, cuid); 1426 CP(*ip32, *ip, cgid); 1427 CP(*ip32, *ip, uid); 1428 CP(*ip32, *ip, gid); 1429 CP(*ip32, *ip, mode); 1430 CP(*ip32, *ip, seq); 1431 CP(*ip32, *ip, key); 1432 } 1433 1434 static void 1435 freebsd32_ipcperm_out(struct ipc_perm *ip, struct ipc_perm32 *ip32) 1436 { 1437 1438 CP(*ip, *ip32, cuid); 1439 CP(*ip, *ip32, cgid); 1440 CP(*ip, *ip32, uid); 1441 CP(*ip, *ip32, gid); 1442 CP(*ip, *ip32, mode); 1443 CP(*ip, *ip32, seq); 1444 CP(*ip, *ip32, key); 1445 } 1446 1447 int 1448 freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1449 { 1450 1451 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1452 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1453 switch (uap->which) { 1454 case 0: 1455 return (freebsd7_freebsd32_semctl(td, 1456 (struct freebsd7_freebsd32_semctl_args *)&uap->a2)); 1457 default: 1458 return (semsys(td, (struct semsys_args *)uap)); 1459 } 1460 #else 1461 return (nosys(td, NULL)); 1462 #endif 1463 } 1464 1465 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1466 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1467 int 1468 freebsd7_freebsd32_semctl(struct thread *td, 1469 struct freebsd7_freebsd32_semctl_args *uap) 1470 { 1471 struct semid_ds32_old dsbuf32; 1472 struct semid_ds dsbuf; 1473 union semun semun; 1474 union semun32 arg; 1475 register_t rval; 1476 int error; 1477 1478 switch (uap->cmd) { 1479 case SEM_STAT: 1480 case IPC_SET: 1481 case IPC_STAT: 1482 case GETALL: 1483 case SETVAL: 1484 case SETALL: 1485 error = copyin(uap->arg, &arg, sizeof(arg)); 1486 if (error) 1487 return (error); 1488 break; 1489 } 1490 1491 switch (uap->cmd) { 1492 case SEM_STAT: 1493 case IPC_STAT: 1494 semun.buf = &dsbuf; 1495 break; 1496 case IPC_SET: 1497 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1498 if (error) 1499 return (error); 1500 freebsd32_ipcperm_old_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1501 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1502 CP(dsbuf32, dsbuf, sem_nsems); 1503 CP(dsbuf32, dsbuf, sem_otime); 1504 CP(dsbuf32, dsbuf, sem_ctime); 1505 semun.buf = &dsbuf; 1506 break; 1507 case GETALL: 1508 case SETALL: 1509 semun.array = PTRIN(arg.array); 1510 break; 1511 case SETVAL: 1512 semun.val = arg.val; 1513 break; 1514 } 1515 1516 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1517 &rval); 1518 if (error) 1519 return (error); 1520 1521 switch (uap->cmd) { 1522 case SEM_STAT: 1523 case IPC_STAT: 1524 bzero(&dsbuf32, sizeof(dsbuf32)); 1525 freebsd32_ipcperm_old_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1526 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1527 CP(dsbuf, dsbuf32, sem_nsems); 1528 CP(dsbuf, dsbuf32, sem_otime); 1529 CP(dsbuf, dsbuf32, sem_ctime); 1530 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1531 break; 1532 } 1533 1534 if (error == 0) 1535 td->td_retval[0] = rval; 1536 return (error); 1537 } 1538 #endif 1539 1540 int 1541 freebsd32_semctl(struct thread *td, struct freebsd32_semctl_args *uap) 1542 { 1543 struct semid_ds32 dsbuf32; 1544 struct semid_ds dsbuf; 1545 union semun semun; 1546 union semun32 arg; 1547 register_t rval; 1548 int error; 1549 1550 switch (uap->cmd) { 1551 case SEM_STAT: 1552 case IPC_SET: 1553 case IPC_STAT: 1554 case GETALL: 1555 case SETVAL: 1556 case SETALL: 1557 error = copyin(uap->arg, &arg, sizeof(arg)); 1558 if (error) 1559 return (error); 1560 break; 1561 } 1562 1563 switch (uap->cmd) { 1564 case SEM_STAT: 1565 case IPC_STAT: 1566 semun.buf = &dsbuf; 1567 break; 1568 case IPC_SET: 1569 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1570 if (error) 1571 return (error); 1572 freebsd32_ipcperm_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1573 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1574 CP(dsbuf32, dsbuf, sem_nsems); 1575 CP(dsbuf32, dsbuf, sem_otime); 1576 CP(dsbuf32, dsbuf, sem_ctime); 1577 semun.buf = &dsbuf; 1578 break; 1579 case GETALL: 1580 case SETALL: 1581 semun.array = PTRIN(arg.array); 1582 break; 1583 case SETVAL: 1584 semun.val = arg.val; 1585 break; 1586 } 1587 1588 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1589 &rval); 1590 if (error) 1591 return (error); 1592 1593 switch (uap->cmd) { 1594 case SEM_STAT: 1595 case IPC_STAT: 1596 bzero(&dsbuf32, sizeof(dsbuf32)); 1597 freebsd32_ipcperm_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1598 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1599 CP(dsbuf, dsbuf32, sem_nsems); 1600 CP(dsbuf, dsbuf32, sem_otime); 1601 CP(dsbuf, dsbuf32, sem_ctime); 1602 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1603 break; 1604 } 1605 1606 if (error == 0) 1607 td->td_retval[0] = rval; 1608 return (error); 1609 } 1610 1611 int 1612 freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1613 { 1614 1615 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1616 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1617 switch (uap->which) { 1618 case 0: 1619 return (freebsd7_freebsd32_msgctl(td, 1620 (struct freebsd7_freebsd32_msgctl_args *)&uap->a2)); 1621 case 2: 1622 return (freebsd32_msgsnd(td, 1623 (struct freebsd32_msgsnd_args *)&uap->a2)); 1624 case 3: 1625 return (freebsd32_msgrcv(td, 1626 (struct freebsd32_msgrcv_args *)&uap->a2)); 1627 default: 1628 return (msgsys(td, (struct msgsys_args *)uap)); 1629 } 1630 #else 1631 return (nosys(td, NULL)); 1632 #endif 1633 } 1634 1635 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1636 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1637 int 1638 freebsd7_freebsd32_msgctl(struct thread *td, 1639 struct freebsd7_freebsd32_msgctl_args *uap) 1640 { 1641 struct msqid_ds msqbuf; 1642 struct msqid_ds32_old msqbuf32; 1643 int error; 1644 1645 if (uap->cmd == IPC_SET) { 1646 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1647 if (error) 1648 return (error); 1649 freebsd32_ipcperm_old_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1650 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1651 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1652 CP(msqbuf32, msqbuf, msg_cbytes); 1653 CP(msqbuf32, msqbuf, msg_qnum); 1654 CP(msqbuf32, msqbuf, msg_qbytes); 1655 CP(msqbuf32, msqbuf, msg_lspid); 1656 CP(msqbuf32, msqbuf, msg_lrpid); 1657 CP(msqbuf32, msqbuf, msg_stime); 1658 CP(msqbuf32, msqbuf, msg_rtime); 1659 CP(msqbuf32, msqbuf, msg_ctime); 1660 } 1661 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1662 if (error) 1663 return (error); 1664 if (uap->cmd == IPC_STAT) { 1665 bzero(&msqbuf32, sizeof(msqbuf32)); 1666 freebsd32_ipcperm_old_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1667 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1668 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1669 CP(msqbuf, msqbuf32, msg_cbytes); 1670 CP(msqbuf, msqbuf32, msg_qnum); 1671 CP(msqbuf, msqbuf32, msg_qbytes); 1672 CP(msqbuf, msqbuf32, msg_lspid); 1673 CP(msqbuf, msqbuf32, msg_lrpid); 1674 CP(msqbuf, msqbuf32, msg_stime); 1675 CP(msqbuf, msqbuf32, msg_rtime); 1676 CP(msqbuf, msqbuf32, msg_ctime); 1677 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1678 } 1679 return (error); 1680 } 1681 #endif 1682 1683 int 1684 freebsd32_msgctl(struct thread *td, struct freebsd32_msgctl_args *uap) 1685 { 1686 struct msqid_ds msqbuf; 1687 struct msqid_ds32 msqbuf32; 1688 int error; 1689 1690 if (uap->cmd == IPC_SET) { 1691 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1692 if (error) 1693 return (error); 1694 freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1695 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1696 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1697 CP(msqbuf32, msqbuf, msg_cbytes); 1698 CP(msqbuf32, msqbuf, msg_qnum); 1699 CP(msqbuf32, msqbuf, msg_qbytes); 1700 CP(msqbuf32, msqbuf, msg_lspid); 1701 CP(msqbuf32, msqbuf, msg_lrpid); 1702 CP(msqbuf32, msqbuf, msg_stime); 1703 CP(msqbuf32, msqbuf, msg_rtime); 1704 CP(msqbuf32, msqbuf, msg_ctime); 1705 } 1706 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1707 if (error) 1708 return (error); 1709 if (uap->cmd == IPC_STAT) { 1710 freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1711 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1712 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1713 CP(msqbuf, msqbuf32, msg_cbytes); 1714 CP(msqbuf, msqbuf32, msg_qnum); 1715 CP(msqbuf, msqbuf32, msg_qbytes); 1716 CP(msqbuf, msqbuf32, msg_lspid); 1717 CP(msqbuf, msqbuf32, msg_lrpid); 1718 CP(msqbuf, msqbuf32, msg_stime); 1719 CP(msqbuf, msqbuf32, msg_rtime); 1720 CP(msqbuf, msqbuf32, msg_ctime); 1721 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1722 } 1723 return (error); 1724 } 1725 1726 int 1727 freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1728 { 1729 const void *msgp; 1730 long mtype; 1731 int32_t mtype32; 1732 int error; 1733 1734 msgp = PTRIN(uap->msgp); 1735 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1736 return (error); 1737 mtype = mtype32; 1738 return (kern_msgsnd(td, uap->msqid, 1739 (const char *)msgp + sizeof(mtype32), 1740 uap->msgsz, uap->msgflg, mtype)); 1741 } 1742 1743 int 1744 freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1745 { 1746 void *msgp; 1747 long mtype; 1748 int32_t mtype32; 1749 int error; 1750 1751 msgp = PTRIN(uap->msgp); 1752 if ((error = kern_msgrcv(td, uap->msqid, 1753 (char *)msgp + sizeof(mtype32), uap->msgsz, 1754 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1755 return (error); 1756 mtype32 = (int32_t)mtype; 1757 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1758 } 1759 1760 int 1761 freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1762 { 1763 1764 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1765 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1766 switch (uap->which) { 1767 case 0: { /* shmat */ 1768 struct shmat_args ap; 1769 1770 ap.shmid = uap->a2; 1771 ap.shmaddr = PTRIN(uap->a3); 1772 ap.shmflg = uap->a4; 1773 return (sysent[SYS_shmat].sy_call(td, &ap)); 1774 } 1775 case 2: { /* shmdt */ 1776 struct shmdt_args ap; 1777 1778 ap.shmaddr = PTRIN(uap->a2); 1779 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1780 } 1781 case 3: { /* shmget */ 1782 struct shmget_args ap; 1783 1784 ap.key = uap->a2; 1785 ap.size = uap->a3; 1786 ap.shmflg = uap->a4; 1787 return (sysent[SYS_shmget].sy_call(td, &ap)); 1788 } 1789 case 4: { /* shmctl */ 1790 struct freebsd7_freebsd32_shmctl_args ap; 1791 1792 ap.shmid = uap->a2; 1793 ap.cmd = uap->a3; 1794 ap.buf = PTRIN(uap->a4); 1795 return (freebsd7_freebsd32_shmctl(td, &ap)); 1796 } 1797 case 1: /* oshmctl */ 1798 default: 1799 return (EINVAL); 1800 } 1801 #else 1802 return (nosys(td, NULL)); 1803 #endif 1804 } 1805 1806 #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1807 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1808 int 1809 freebsd7_freebsd32_shmctl(struct thread *td, 1810 struct freebsd7_freebsd32_shmctl_args *uap) 1811 { 1812 int error = 0; 1813 union { 1814 struct shmid_ds shmid_ds; 1815 struct shm_info shm_info; 1816 struct shminfo shminfo; 1817 } u; 1818 union { 1819 struct shmid_ds32_old shmid_ds32; 1820 struct shm_info32 shm_info32; 1821 struct shminfo32 shminfo32; 1822 } u32; 1823 size_t sz; 1824 1825 if (uap->cmd == IPC_SET) { 1826 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1827 sizeof(u32.shmid_ds32)))) 1828 goto done; 1829 freebsd32_ipcperm_old_in(&u32.shmid_ds32.shm_perm, 1830 &u.shmid_ds.shm_perm); 1831 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1832 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1833 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1834 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1835 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1836 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1837 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1838 } 1839 1840 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1841 if (error) 1842 goto done; 1843 1844 /* Cases in which we need to copyout */ 1845 switch (uap->cmd) { 1846 case IPC_INFO: 1847 CP(u.shminfo, u32.shminfo32, shmmax); 1848 CP(u.shminfo, u32.shminfo32, shmmin); 1849 CP(u.shminfo, u32.shminfo32, shmmni); 1850 CP(u.shminfo, u32.shminfo32, shmseg); 1851 CP(u.shminfo, u32.shminfo32, shmall); 1852 error = copyout(&u32.shminfo32, uap->buf, 1853 sizeof(u32.shminfo32)); 1854 break; 1855 case SHM_INFO: 1856 CP(u.shm_info, u32.shm_info32, used_ids); 1857 CP(u.shm_info, u32.shm_info32, shm_rss); 1858 CP(u.shm_info, u32.shm_info32, shm_tot); 1859 CP(u.shm_info, u32.shm_info32, shm_swp); 1860 CP(u.shm_info, u32.shm_info32, swap_attempts); 1861 CP(u.shm_info, u32.shm_info32, swap_successes); 1862 error = copyout(&u32.shm_info32, uap->buf, 1863 sizeof(u32.shm_info32)); 1864 break; 1865 case SHM_STAT: 1866 case IPC_STAT: 1867 freebsd32_ipcperm_old_out(&u.shmid_ds.shm_perm, 1868 &u32.shmid_ds32.shm_perm); 1869 if (u.shmid_ds.shm_segsz > INT32_MAX) 1870 u32.shmid_ds32.shm_segsz = INT32_MAX; 1871 else 1872 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1873 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1874 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1875 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1876 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1877 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1878 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1879 u32.shmid_ds32.shm_internal = 0; 1880 error = copyout(&u32.shmid_ds32, uap->buf, 1881 sizeof(u32.shmid_ds32)); 1882 break; 1883 } 1884 1885 done: 1886 if (error) { 1887 /* Invalidate the return value */ 1888 td->td_retval[0] = -1; 1889 } 1890 return (error); 1891 } 1892 #endif 1893 1894 int 1895 freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1896 { 1897 int error = 0; 1898 union { 1899 struct shmid_ds shmid_ds; 1900 struct shm_info shm_info; 1901 struct shminfo shminfo; 1902 } u; 1903 union { 1904 struct shmid_ds32 shmid_ds32; 1905 struct shm_info32 shm_info32; 1906 struct shminfo32 shminfo32; 1907 } u32; 1908 size_t sz; 1909 1910 if (uap->cmd == IPC_SET) { 1911 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1912 sizeof(u32.shmid_ds32)))) 1913 goto done; 1914 freebsd32_ipcperm_in(&u32.shmid_ds32.shm_perm, 1915 &u.shmid_ds.shm_perm); 1916 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1917 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1918 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1919 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1920 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1921 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1922 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1923 } 1924 1925 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1926 if (error) 1927 goto done; 1928 1929 /* Cases in which we need to copyout */ 1930 switch (uap->cmd) { 1931 case IPC_INFO: 1932 CP(u.shminfo, u32.shminfo32, shmmax); 1933 CP(u.shminfo, u32.shminfo32, shmmin); 1934 CP(u.shminfo, u32.shminfo32, shmmni); 1935 CP(u.shminfo, u32.shminfo32, shmseg); 1936 CP(u.shminfo, u32.shminfo32, shmall); 1937 error = copyout(&u32.shminfo32, uap->buf, 1938 sizeof(u32.shminfo32)); 1939 break; 1940 case SHM_INFO: 1941 CP(u.shm_info, u32.shm_info32, used_ids); 1942 CP(u.shm_info, u32.shm_info32, shm_rss); 1943 CP(u.shm_info, u32.shm_info32, shm_tot); 1944 CP(u.shm_info, u32.shm_info32, shm_swp); 1945 CP(u.shm_info, u32.shm_info32, swap_attempts); 1946 CP(u.shm_info, u32.shm_info32, swap_successes); 1947 error = copyout(&u32.shm_info32, uap->buf, 1948 sizeof(u32.shm_info32)); 1949 break; 1950 case SHM_STAT: 1951 case IPC_STAT: 1952 freebsd32_ipcperm_out(&u.shmid_ds.shm_perm, 1953 &u32.shmid_ds32.shm_perm); 1954 if (u.shmid_ds.shm_segsz > INT32_MAX) 1955 u32.shmid_ds32.shm_segsz = INT32_MAX; 1956 else 1957 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1958 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1959 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1960 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1961 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1962 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1963 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1964 error = copyout(&u32.shmid_ds32, uap->buf, 1965 sizeof(u32.shmid_ds32)); 1966 break; 1967 } 1968 1969 done: 1970 if (error) { 1971 /* Invalidate the return value */ 1972 td->td_retval[0] = -1; 1973 } 1974 return (error); 1975 } 1976 1977 int 1978 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1979 { 1980 struct pread_args ap; 1981 1982 ap.fd = uap->fd; 1983 ap.buf = uap->buf; 1984 ap.nbyte = uap->nbyte; 1985 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1986 return (pread(td, &ap)); 1987 } 1988 1989 int 1990 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1991 { 1992 struct pwrite_args ap; 1993 1994 ap.fd = uap->fd; 1995 ap.buf = uap->buf; 1996 ap.nbyte = uap->nbyte; 1997 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1998 return (pwrite(td, &ap)); 1999 } 2000 2001 int 2002 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 2003 { 2004 int error; 2005 struct lseek_args ap; 2006 off_t pos; 2007 2008 ap.fd = uap->fd; 2009 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2010 ap.whence = uap->whence; 2011 error = lseek(td, &ap); 2012 /* Expand the quad return into two parts for eax and edx */ 2013 pos = *(off_t *)(td->td_retval); 2014 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 2015 td->td_retval[1] = pos >> 32; /* %edx */ 2016 return error; 2017 } 2018 2019 int 2020 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 2021 { 2022 struct truncate_args ap; 2023 2024 ap.path = uap->path; 2025 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2026 return (truncate(td, &ap)); 2027 } 2028 2029 int 2030 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 2031 { 2032 struct ftruncate_args ap; 2033 2034 ap.fd = uap->fd; 2035 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2036 return (ftruncate(td, &ap)); 2037 } 2038 2039 int 2040 freebsd32_getdirentries(struct thread *td, 2041 struct freebsd32_getdirentries_args *uap) 2042 { 2043 long base; 2044 int32_t base32; 2045 int error; 2046 2047 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 2048 if (error) 2049 return (error); 2050 if (uap->basep != NULL) { 2051 base32 = base; 2052 error = copyout(&base32, uap->basep, sizeof(int32_t)); 2053 } 2054 return (error); 2055 } 2056 2057 #ifdef COMPAT_FREEBSD6 2058 /* versions with the 'int pad' argument */ 2059 int 2060 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 2061 { 2062 struct pread_args ap; 2063 2064 ap.fd = uap->fd; 2065 ap.buf = uap->buf; 2066 ap.nbyte = uap->nbyte; 2067 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2068 return (pread(td, &ap)); 2069 } 2070 2071 int 2072 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 2073 { 2074 struct pwrite_args ap; 2075 2076 ap.fd = uap->fd; 2077 ap.buf = uap->buf; 2078 ap.nbyte = uap->nbyte; 2079 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2080 return (pwrite(td, &ap)); 2081 } 2082 2083 int 2084 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 2085 { 2086 int error; 2087 struct lseek_args ap; 2088 off_t pos; 2089 2090 ap.fd = uap->fd; 2091 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2092 ap.whence = uap->whence; 2093 error = lseek(td, &ap); 2094 /* Expand the quad return into two parts for eax and edx */ 2095 pos = *(off_t *)(td->td_retval); 2096 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 2097 td->td_retval[1] = pos >> 32; /* %edx */ 2098 return error; 2099 } 2100 2101 int 2102 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 2103 { 2104 struct truncate_args ap; 2105 2106 ap.path = uap->path; 2107 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2108 return (truncate(td, &ap)); 2109 } 2110 2111 int 2112 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 2113 { 2114 struct ftruncate_args ap; 2115 2116 ap.fd = uap->fd; 2117 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2118 return (ftruncate(td, &ap)); 2119 } 2120 #endif /* COMPAT_FREEBSD6 */ 2121 2122 struct sf_hdtr32 { 2123 uint32_t headers; 2124 int hdr_cnt; 2125 uint32_t trailers; 2126 int trl_cnt; 2127 }; 2128 2129 static int 2130 freebsd32_do_sendfile(struct thread *td, 2131 struct freebsd32_sendfile_args *uap, int compat) 2132 { 2133 struct sendfile_args ap; 2134 struct sf_hdtr32 hdtr32; 2135 struct sf_hdtr hdtr; 2136 struct uio *hdr_uio, *trl_uio; 2137 struct iovec32 *iov32; 2138 int error; 2139 2140 hdr_uio = trl_uio = NULL; 2141 2142 ap.fd = uap->fd; 2143 ap.s = uap->s; 2144 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2145 ap.nbytes = uap->nbytes; 2146 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 2147 ap.sbytes = uap->sbytes; 2148 ap.flags = uap->flags; 2149 2150 if (uap->hdtr != NULL) { 2151 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 2152 if (error) 2153 goto out; 2154 PTRIN_CP(hdtr32, hdtr, headers); 2155 CP(hdtr32, hdtr, hdr_cnt); 2156 PTRIN_CP(hdtr32, hdtr, trailers); 2157 CP(hdtr32, hdtr, trl_cnt); 2158 2159 if (hdtr.headers != NULL) { 2160 iov32 = PTRIN(hdtr32.headers); 2161 error = freebsd32_copyinuio(iov32, 2162 hdtr32.hdr_cnt, &hdr_uio); 2163 if (error) 2164 goto out; 2165 } 2166 if (hdtr.trailers != NULL) { 2167 iov32 = PTRIN(hdtr32.trailers); 2168 error = freebsd32_copyinuio(iov32, 2169 hdtr32.trl_cnt, &trl_uio); 2170 if (error) 2171 goto out; 2172 } 2173 } 2174 2175 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 2176 out: 2177 if (hdr_uio) 2178 free(hdr_uio, M_IOV); 2179 if (trl_uio) 2180 free(trl_uio, M_IOV); 2181 return (error); 2182 } 2183 2184 #ifdef COMPAT_FREEBSD4 2185 int 2186 freebsd4_freebsd32_sendfile(struct thread *td, 2187 struct freebsd4_freebsd32_sendfile_args *uap) 2188 { 2189 return (freebsd32_do_sendfile(td, 2190 (struct freebsd32_sendfile_args *)uap, 1)); 2191 } 2192 #endif 2193 2194 int 2195 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 2196 { 2197 2198 return (freebsd32_do_sendfile(td, uap, 0)); 2199 } 2200 2201 static void 2202 copy_stat( struct stat *in, struct stat32 *out) 2203 { 2204 CP(*in, *out, st_dev); 2205 CP(*in, *out, st_ino); 2206 CP(*in, *out, st_mode); 2207 CP(*in, *out, st_nlink); 2208 CP(*in, *out, st_uid); 2209 CP(*in, *out, st_gid); 2210 CP(*in, *out, st_rdev); 2211 TS_CP(*in, *out, st_atimespec); 2212 TS_CP(*in, *out, st_mtimespec); 2213 TS_CP(*in, *out, st_ctimespec); 2214 CP(*in, *out, st_size); 2215 CP(*in, *out, st_blocks); 2216 CP(*in, *out, st_blksize); 2217 CP(*in, *out, st_flags); 2218 CP(*in, *out, st_gen); 2219 } 2220 2221 int 2222 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 2223 { 2224 struct stat sb; 2225 struct stat32 sb32; 2226 int error; 2227 2228 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 2229 if (error) 2230 return (error); 2231 copy_stat(&sb, &sb32); 2232 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2233 return (error); 2234 } 2235 2236 int 2237 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 2238 { 2239 struct stat ub; 2240 struct stat32 ub32; 2241 int error; 2242 2243 error = kern_fstat(td, uap->fd, &ub); 2244 if (error) 2245 return (error); 2246 copy_stat(&ub, &ub32); 2247 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2248 return (error); 2249 } 2250 2251 int 2252 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2253 { 2254 struct stat ub; 2255 struct stat32 ub32; 2256 int error; 2257 2258 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 2259 if (error) 2260 return (error); 2261 copy_stat(&ub, &ub32); 2262 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2263 return (error); 2264 } 2265 2266 int 2267 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 2268 { 2269 struct stat sb; 2270 struct stat32 sb32; 2271 int error; 2272 2273 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 2274 if (error) 2275 return (error); 2276 copy_stat(&sb, &sb32); 2277 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2278 return (error); 2279 } 2280 2281 /* 2282 * MPSAFE 2283 */ 2284 int 2285 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 2286 { 2287 int error, name[CTL_MAXNAME]; 2288 size_t j, oldlen; 2289 2290 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2291 return (EINVAL); 2292 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2293 if (error) 2294 return (error); 2295 if (uap->oldlenp) 2296 oldlen = fuword32(uap->oldlenp); 2297 else 2298 oldlen = 0; 2299 error = userland_sysctl(td, name, uap->namelen, 2300 uap->old, &oldlen, 1, 2301 uap->new, uap->newlen, &j, SCTL_MASK32); 2302 if (error && error != ENOMEM) 2303 return (error); 2304 if (uap->oldlenp) 2305 suword32(uap->oldlenp, j); 2306 return (0); 2307 } 2308 2309 int 2310 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2311 { 2312 uint32_t version; 2313 int error; 2314 struct jail j; 2315 2316 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2317 if (error) 2318 return (error); 2319 2320 switch (version) { 2321 case 0: 2322 { 2323 /* FreeBSD single IPv4 jails. */ 2324 struct jail32_v0 j32_v0; 2325 2326 bzero(&j, sizeof(struct jail)); 2327 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2328 if (error) 2329 return (error); 2330 CP(j32_v0, j, version); 2331 PTRIN_CP(j32_v0, j, path); 2332 PTRIN_CP(j32_v0, j, hostname); 2333 j.ip4s = j32_v0.ip_number; 2334 break; 2335 } 2336 2337 case 1: 2338 /* 2339 * Version 1 was used by multi-IPv4 jail implementations 2340 * that never made it into the official kernel. 2341 */ 2342 return (EINVAL); 2343 2344 case 2: /* JAIL_API_VERSION */ 2345 { 2346 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2347 struct jail32 j32; 2348 2349 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2350 if (error) 2351 return (error); 2352 CP(j32, j, version); 2353 PTRIN_CP(j32, j, path); 2354 PTRIN_CP(j32, j, hostname); 2355 PTRIN_CP(j32, j, jailname); 2356 CP(j32, j, ip4s); 2357 CP(j32, j, ip6s); 2358 PTRIN_CP(j32, j, ip4); 2359 PTRIN_CP(j32, j, ip6); 2360 break; 2361 } 2362 2363 default: 2364 /* Sci-Fi jails are not supported, sorry. */ 2365 return (EINVAL); 2366 } 2367 return (kern_jail(td, &j)); 2368 } 2369 2370 int 2371 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2372 { 2373 struct uio *auio; 2374 int error; 2375 2376 /* Check that we have an even number of iovecs. */ 2377 if (uap->iovcnt & 1) 2378 return (EINVAL); 2379 2380 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2381 if (error) 2382 return (error); 2383 error = kern_jail_set(td, auio, uap->flags); 2384 free(auio, M_IOV); 2385 return (error); 2386 } 2387 2388 int 2389 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2390 { 2391 struct iovec32 iov32; 2392 struct uio *auio; 2393 int error, i; 2394 2395 /* Check that we have an even number of iovecs. */ 2396 if (uap->iovcnt & 1) 2397 return (EINVAL); 2398 2399 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2400 if (error) 2401 return (error); 2402 error = kern_jail_get(td, auio, uap->flags); 2403 if (error == 0) 2404 for (i = 0; i < uap->iovcnt; i++) { 2405 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2406 CP(auio->uio_iov[i], iov32, iov_len); 2407 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2408 if (error != 0) 2409 break; 2410 } 2411 free(auio, M_IOV); 2412 return (error); 2413 } 2414 2415 int 2416 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2417 { 2418 struct sigaction32 s32; 2419 struct sigaction sa, osa, *sap; 2420 int error; 2421 2422 if (uap->act) { 2423 error = copyin(uap->act, &s32, sizeof(s32)); 2424 if (error) 2425 return (error); 2426 sa.sa_handler = PTRIN(s32.sa_u); 2427 CP(s32, sa, sa_flags); 2428 CP(s32, sa, sa_mask); 2429 sap = &sa; 2430 } else 2431 sap = NULL; 2432 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2433 if (error == 0 && uap->oact != NULL) { 2434 s32.sa_u = PTROUT(osa.sa_handler); 2435 CP(osa, s32, sa_flags); 2436 CP(osa, s32, sa_mask); 2437 error = copyout(&s32, uap->oact, sizeof(s32)); 2438 } 2439 return (error); 2440 } 2441 2442 #ifdef COMPAT_FREEBSD4 2443 int 2444 freebsd4_freebsd32_sigaction(struct thread *td, 2445 struct freebsd4_freebsd32_sigaction_args *uap) 2446 { 2447 struct sigaction32 s32; 2448 struct sigaction sa, osa, *sap; 2449 int error; 2450 2451 if (uap->act) { 2452 error = copyin(uap->act, &s32, sizeof(s32)); 2453 if (error) 2454 return (error); 2455 sa.sa_handler = PTRIN(s32.sa_u); 2456 CP(s32, sa, sa_flags); 2457 CP(s32, sa, sa_mask); 2458 sap = &sa; 2459 } else 2460 sap = NULL; 2461 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2462 if (error == 0 && uap->oact != NULL) { 2463 s32.sa_u = PTROUT(osa.sa_handler); 2464 CP(osa, s32, sa_flags); 2465 CP(osa, s32, sa_mask); 2466 error = copyout(&s32, uap->oact, sizeof(s32)); 2467 } 2468 return (error); 2469 } 2470 #endif 2471 2472 #ifdef COMPAT_43 2473 struct osigaction32 { 2474 u_int32_t sa_u; 2475 osigset_t sa_mask; 2476 int sa_flags; 2477 }; 2478 2479 #define ONSIG 32 2480 2481 int 2482 ofreebsd32_sigaction(struct thread *td, 2483 struct ofreebsd32_sigaction_args *uap) 2484 { 2485 struct osigaction32 s32; 2486 struct sigaction sa, osa, *sap; 2487 int error; 2488 2489 if (uap->signum <= 0 || uap->signum >= ONSIG) 2490 return (EINVAL); 2491 2492 if (uap->nsa) { 2493 error = copyin(uap->nsa, &s32, sizeof(s32)); 2494 if (error) 2495 return (error); 2496 sa.sa_handler = PTRIN(s32.sa_u); 2497 CP(s32, sa, sa_flags); 2498 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2499 sap = &sa; 2500 } else 2501 sap = NULL; 2502 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2503 if (error == 0 && uap->osa != NULL) { 2504 s32.sa_u = PTROUT(osa.sa_handler); 2505 CP(osa, s32, sa_flags); 2506 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2507 error = copyout(&s32, uap->osa, sizeof(s32)); 2508 } 2509 return (error); 2510 } 2511 2512 int 2513 ofreebsd32_sigprocmask(struct thread *td, 2514 struct ofreebsd32_sigprocmask_args *uap) 2515 { 2516 sigset_t set, oset; 2517 int error; 2518 2519 OSIG2SIG(uap->mask, set); 2520 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2521 SIG2OSIG(oset, td->td_retval[0]); 2522 return (error); 2523 } 2524 2525 int 2526 ofreebsd32_sigpending(struct thread *td, 2527 struct ofreebsd32_sigpending_args *uap) 2528 { 2529 struct proc *p = td->td_proc; 2530 sigset_t siglist; 2531 2532 PROC_LOCK(p); 2533 siglist = p->p_siglist; 2534 SIGSETOR(siglist, td->td_siglist); 2535 PROC_UNLOCK(p); 2536 SIG2OSIG(siglist, td->td_retval[0]); 2537 return (0); 2538 } 2539 2540 struct sigvec32 { 2541 u_int32_t sv_handler; 2542 int sv_mask; 2543 int sv_flags; 2544 }; 2545 2546 int 2547 ofreebsd32_sigvec(struct thread *td, 2548 struct ofreebsd32_sigvec_args *uap) 2549 { 2550 struct sigvec32 vec; 2551 struct sigaction sa, osa, *sap; 2552 int error; 2553 2554 if (uap->signum <= 0 || uap->signum >= ONSIG) 2555 return (EINVAL); 2556 2557 if (uap->nsv) { 2558 error = copyin(uap->nsv, &vec, sizeof(vec)); 2559 if (error) 2560 return (error); 2561 sa.sa_handler = PTRIN(vec.sv_handler); 2562 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2563 sa.sa_flags = vec.sv_flags; 2564 sa.sa_flags ^= SA_RESTART; 2565 sap = &sa; 2566 } else 2567 sap = NULL; 2568 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2569 if (error == 0 && uap->osv != NULL) { 2570 vec.sv_handler = PTROUT(osa.sa_handler); 2571 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2572 vec.sv_flags = osa.sa_flags; 2573 vec.sv_flags &= ~SA_NOCLDWAIT; 2574 vec.sv_flags ^= SA_RESTART; 2575 error = copyout(&vec, uap->osv, sizeof(vec)); 2576 } 2577 return (error); 2578 } 2579 2580 int 2581 ofreebsd32_sigblock(struct thread *td, 2582 struct ofreebsd32_sigblock_args *uap) 2583 { 2584 sigset_t set, oset; 2585 2586 OSIG2SIG(uap->mask, set); 2587 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2588 SIG2OSIG(oset, td->td_retval[0]); 2589 return (0); 2590 } 2591 2592 int 2593 ofreebsd32_sigsetmask(struct thread *td, 2594 struct ofreebsd32_sigsetmask_args *uap) 2595 { 2596 sigset_t set, oset; 2597 2598 OSIG2SIG(uap->mask, set); 2599 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2600 SIG2OSIG(oset, td->td_retval[0]); 2601 return (0); 2602 } 2603 2604 int 2605 ofreebsd32_sigsuspend(struct thread *td, 2606 struct ofreebsd32_sigsuspend_args *uap) 2607 { 2608 sigset_t mask; 2609 2610 OSIG2SIG(uap->mask, mask); 2611 return (kern_sigsuspend(td, mask)); 2612 } 2613 2614 struct sigstack32 { 2615 u_int32_t ss_sp; 2616 int ss_onstack; 2617 }; 2618 2619 int 2620 ofreebsd32_sigstack(struct thread *td, 2621 struct ofreebsd32_sigstack_args *uap) 2622 { 2623 struct sigstack32 s32; 2624 struct sigstack nss, oss; 2625 int error = 0, unss; 2626 2627 if (uap->nss != NULL) { 2628 error = copyin(uap->nss, &s32, sizeof(s32)); 2629 if (error) 2630 return (error); 2631 nss.ss_sp = PTRIN(s32.ss_sp); 2632 CP(s32, nss, ss_onstack); 2633 unss = 1; 2634 } else { 2635 unss = 0; 2636 } 2637 oss.ss_sp = td->td_sigstk.ss_sp; 2638 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2639 if (unss) { 2640 td->td_sigstk.ss_sp = nss.ss_sp; 2641 td->td_sigstk.ss_size = 0; 2642 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2643 td->td_pflags |= TDP_ALTSTACK; 2644 } 2645 if (uap->oss != NULL) { 2646 s32.ss_sp = PTROUT(oss.ss_sp); 2647 CP(oss, s32, ss_onstack); 2648 error = copyout(&s32, uap->oss, sizeof(s32)); 2649 } 2650 return (error); 2651 } 2652 #endif 2653 2654 int 2655 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2656 { 2657 struct timespec32 rmt32, rqt32; 2658 struct timespec rmt, rqt; 2659 int error; 2660 2661 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2662 if (error) 2663 return (error); 2664 2665 CP(rqt32, rqt, tv_sec); 2666 CP(rqt32, rqt, tv_nsec); 2667 2668 if (uap->rmtp && 2669 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2670 return (EFAULT); 2671 error = kern_nanosleep(td, &rqt, &rmt); 2672 if (error && uap->rmtp) { 2673 int error2; 2674 2675 CP(rmt, rmt32, tv_sec); 2676 CP(rmt, rmt32, tv_nsec); 2677 2678 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2679 if (error2) 2680 error = error2; 2681 } 2682 return (error); 2683 } 2684 2685 int 2686 freebsd32_clock_gettime(struct thread *td, 2687 struct freebsd32_clock_gettime_args *uap) 2688 { 2689 struct timespec ats; 2690 struct timespec32 ats32; 2691 int error; 2692 2693 error = kern_clock_gettime(td, uap->clock_id, &ats); 2694 if (error == 0) { 2695 CP(ats, ats32, tv_sec); 2696 CP(ats, ats32, tv_nsec); 2697 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2698 } 2699 return (error); 2700 } 2701 2702 int 2703 freebsd32_clock_settime(struct thread *td, 2704 struct freebsd32_clock_settime_args *uap) 2705 { 2706 struct timespec ats; 2707 struct timespec32 ats32; 2708 int error; 2709 2710 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2711 if (error) 2712 return (error); 2713 CP(ats32, ats, tv_sec); 2714 CP(ats32, ats, tv_nsec); 2715 2716 return (kern_clock_settime(td, uap->clock_id, &ats)); 2717 } 2718 2719 int 2720 freebsd32_clock_getres(struct thread *td, 2721 struct freebsd32_clock_getres_args *uap) 2722 { 2723 struct timespec ts; 2724 struct timespec32 ts32; 2725 int error; 2726 2727 if (uap->tp == NULL) 2728 return (0); 2729 error = kern_clock_getres(td, uap->clock_id, &ts); 2730 if (error == 0) { 2731 CP(ts, ts32, tv_sec); 2732 CP(ts, ts32, tv_nsec); 2733 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2734 } 2735 return (error); 2736 } 2737 2738 int 2739 freebsd32_thr_new(struct thread *td, 2740 struct freebsd32_thr_new_args *uap) 2741 { 2742 struct thr_param32 param32; 2743 struct thr_param param; 2744 int error; 2745 2746 if (uap->param_size < 0 || 2747 uap->param_size > sizeof(struct thr_param32)) 2748 return (EINVAL); 2749 bzero(¶m, sizeof(struct thr_param)); 2750 bzero(¶m32, sizeof(struct thr_param32)); 2751 error = copyin(uap->param, ¶m32, uap->param_size); 2752 if (error != 0) 2753 return (error); 2754 param.start_func = PTRIN(param32.start_func); 2755 param.arg = PTRIN(param32.arg); 2756 param.stack_base = PTRIN(param32.stack_base); 2757 param.stack_size = param32.stack_size; 2758 param.tls_base = PTRIN(param32.tls_base); 2759 param.tls_size = param32.tls_size; 2760 param.child_tid = PTRIN(param32.child_tid); 2761 param.parent_tid = PTRIN(param32.parent_tid); 2762 param.flags = param32.flags; 2763 param.rtp = PTRIN(param32.rtp); 2764 param.spare[0] = PTRIN(param32.spare[0]); 2765 param.spare[1] = PTRIN(param32.spare[1]); 2766 param.spare[2] = PTRIN(param32.spare[2]); 2767 2768 return (kern_thr_new(td, ¶m)); 2769 } 2770 2771 int 2772 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2773 { 2774 struct timespec32 ts32; 2775 struct timespec ts, *tsp; 2776 int error; 2777 2778 error = 0; 2779 tsp = NULL; 2780 if (uap->timeout != NULL) { 2781 error = copyin((const void *)uap->timeout, (void *)&ts32, 2782 sizeof(struct timespec32)); 2783 if (error != 0) 2784 return (error); 2785 ts.tv_sec = ts32.tv_sec; 2786 ts.tv_nsec = ts32.tv_nsec; 2787 tsp = &ts; 2788 } 2789 return (kern_thr_suspend(td, tsp)); 2790 } 2791 2792 void 2793 siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2794 { 2795 bzero(dst, sizeof(*dst)); 2796 dst->si_signo = src->si_signo; 2797 dst->si_errno = src->si_errno; 2798 dst->si_code = src->si_code; 2799 dst->si_pid = src->si_pid; 2800 dst->si_uid = src->si_uid; 2801 dst->si_status = src->si_status; 2802 dst->si_addr = (uintptr_t)src->si_addr; 2803 dst->si_value.sigval_int = src->si_value.sival_int; 2804 dst->si_timerid = src->si_timerid; 2805 dst->si_overrun = src->si_overrun; 2806 } 2807 2808 int 2809 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2810 { 2811 struct timespec32 ts32; 2812 struct timespec ts; 2813 struct timespec *timeout; 2814 sigset_t set; 2815 ksiginfo_t ksi; 2816 struct siginfo32 si32; 2817 int error; 2818 2819 if (uap->timeout) { 2820 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2821 if (error) 2822 return (error); 2823 ts.tv_sec = ts32.tv_sec; 2824 ts.tv_nsec = ts32.tv_nsec; 2825 timeout = &ts; 2826 } else 2827 timeout = NULL; 2828 2829 error = copyin(uap->set, &set, sizeof(set)); 2830 if (error) 2831 return (error); 2832 2833 error = kern_sigtimedwait(td, set, &ksi, timeout); 2834 if (error) 2835 return (error); 2836 2837 if (uap->info) { 2838 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2839 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2840 } 2841 2842 if (error == 0) 2843 td->td_retval[0] = ksi.ksi_signo; 2844 return (error); 2845 } 2846 2847 /* 2848 * MPSAFE 2849 */ 2850 int 2851 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2852 { 2853 ksiginfo_t ksi; 2854 struct siginfo32 si32; 2855 sigset_t set; 2856 int error; 2857 2858 error = copyin(uap->set, &set, sizeof(set)); 2859 if (error) 2860 return (error); 2861 2862 error = kern_sigtimedwait(td, set, &ksi, NULL); 2863 if (error) 2864 return (error); 2865 2866 if (uap->info) { 2867 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2868 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2869 } 2870 if (error == 0) 2871 td->td_retval[0] = ksi.ksi_signo; 2872 return (error); 2873 } 2874 2875 int 2876 freebsd32_cpuset_setid(struct thread *td, 2877 struct freebsd32_cpuset_setid_args *uap) 2878 { 2879 struct cpuset_setid_args ap; 2880 2881 ap.which = uap->which; 2882 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2883 ap.setid = uap->setid; 2884 2885 return (cpuset_setid(td, &ap)); 2886 } 2887 2888 int 2889 freebsd32_cpuset_getid(struct thread *td, 2890 struct freebsd32_cpuset_getid_args *uap) 2891 { 2892 struct cpuset_getid_args ap; 2893 2894 ap.level = uap->level; 2895 ap.which = uap->which; 2896 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2897 ap.setid = uap->setid; 2898 2899 return (cpuset_getid(td, &ap)); 2900 } 2901 2902 int 2903 freebsd32_cpuset_getaffinity(struct thread *td, 2904 struct freebsd32_cpuset_getaffinity_args *uap) 2905 { 2906 struct cpuset_getaffinity_args ap; 2907 2908 ap.level = uap->level; 2909 ap.which = uap->which; 2910 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2911 ap.cpusetsize = uap->cpusetsize; 2912 ap.mask = uap->mask; 2913 2914 return (cpuset_getaffinity(td, &ap)); 2915 } 2916 2917 int 2918 freebsd32_cpuset_setaffinity(struct thread *td, 2919 struct freebsd32_cpuset_setaffinity_args *uap) 2920 { 2921 struct cpuset_setaffinity_args ap; 2922 2923 ap.level = uap->level; 2924 ap.which = uap->which; 2925 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2926 ap.cpusetsize = uap->cpusetsize; 2927 ap.mask = uap->mask; 2928 2929 return (cpuset_setaffinity(td, &ap)); 2930 } 2931 2932 int 2933 freebsd32_nmount(struct thread *td, 2934 struct freebsd32_nmount_args /* { 2935 struct iovec *iovp; 2936 unsigned int iovcnt; 2937 int flags; 2938 } */ *uap) 2939 { 2940 struct uio *auio; 2941 int error; 2942 2943 AUDIT_ARG_FFLAGS(uap->flags); 2944 2945 /* 2946 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2947 * userspace to set this flag, but we must filter it out if we want 2948 * MNT_UPDATE on the root file system to work. 2949 * MNT_ROOTFS should only be set in the kernel in vfs_mountroot_try(). 2950 */ 2951 uap->flags &= ~MNT_ROOTFS; 2952 2953 /* 2954 * check that we have an even number of iovec's 2955 * and that we have at least two options. 2956 */ 2957 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2958 return (EINVAL); 2959 2960 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2961 if (error) 2962 return (error); 2963 error = vfs_donmount(td, uap->flags, auio); 2964 2965 free(auio, M_IOV); 2966 return error; 2967 } 2968 2969 #if 0 2970 int 2971 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2972 { 2973 struct yyy32 *p32, s32; 2974 struct yyy *p = NULL, s; 2975 struct xxx_arg ap; 2976 int error; 2977 2978 if (uap->zzz) { 2979 error = copyin(uap->zzz, &s32, sizeof(s32)); 2980 if (error) 2981 return (error); 2982 /* translate in */ 2983 p = &s; 2984 } 2985 error = kern_xxx(td, p); 2986 if (error) 2987 return (error); 2988 if (uap->zzz) { 2989 /* translate out */ 2990 error = copyout(&s32, p32, sizeof(s32)); 2991 } 2992 return (error); 2993 } 2994 #endif 2995 2996 int 2997 syscall32_register(int *offset, struct sysent *new_sysent, 2998 struct sysent *old_sysent) 2999 { 3000 if (*offset == NO_SYSCALL) { 3001 int i; 3002 3003 for (i = 1; i < SYS_MAXSYSCALL; ++i) 3004 if (freebsd32_sysent[i].sy_call == 3005 (sy_call_t *)lkmnosys) 3006 break; 3007 if (i == SYS_MAXSYSCALL) 3008 return (ENFILE); 3009 *offset = i; 3010 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 3011 return (EINVAL); 3012 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 3013 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 3014 return (EEXIST); 3015 3016 *old_sysent = freebsd32_sysent[*offset]; 3017 freebsd32_sysent[*offset] = *new_sysent; 3018 return 0; 3019 } 3020 3021 int 3022 syscall32_deregister(int *offset, struct sysent *old_sysent) 3023 { 3024 3025 if (*offset) 3026 freebsd32_sysent[*offset] = *old_sysent; 3027 return 0; 3028 } 3029 3030 int 3031 syscall32_module_handler(struct module *mod, int what, void *arg) 3032 { 3033 struct syscall_module_data *data = (struct syscall_module_data*)arg; 3034 modspecific_t ms; 3035 int error; 3036 3037 switch (what) { 3038 case MOD_LOAD: 3039 error = syscall32_register(data->offset, data->new_sysent, 3040 &data->old_sysent); 3041 if (error) { 3042 /* Leave a mark so we know to safely unload below. */ 3043 data->offset = NULL; 3044 return error; 3045 } 3046 ms.intval = *data->offset; 3047 MOD_XLOCK; 3048 module_setspecific(mod, &ms); 3049 MOD_XUNLOCK; 3050 if (data->chainevh) 3051 error = data->chainevh(mod, what, data->chainarg); 3052 return (error); 3053 case MOD_UNLOAD: 3054 /* 3055 * MOD_LOAD failed, so just return without calling the 3056 * chained handler since we didn't pass along the MOD_LOAD 3057 * event. 3058 */ 3059 if (data->offset == NULL) 3060 return (0); 3061 if (data->chainevh) { 3062 error = data->chainevh(mod, what, data->chainarg); 3063 if (error) 3064 return (error); 3065 } 3066 error = syscall32_deregister(data->offset, &data->old_sysent); 3067 return (error); 3068 default: 3069 error = EOPNOTSUPP; 3070 if (data->chainevh) 3071 error = data->chainevh(mod, what, data->chainarg); 3072 return (error); 3073 } 3074 } 3075